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Test Code LAB72 Immunoglobulin M

Additional Codes

IgM

Collection:

Specimen: Blood 

Container: SST (Preferred) or Red Top

Specimen Volume: 7 mL; Minimum 3 mL

 

Pediatric Collection:

One SST, or Red Top microtainer filled to 600 uL.

Stability:

Separate serum from gel/cells within 4 hours of collection.  Once serum is separated from cells:

 

Ambient: 8 Hours

Refrigerated (preferred): 1 Week

Frozen: 2 Weeks

Turnaround Time (TAT):

STAT: 2 HOURS

Routine: 4 HOURS

Test Availability:

Daily / 24 Hours / Available STAT

Performing Laboratory Section:

Chemistry / UMC MAIN LABORATORY

Reference Interval:

Immunoglobulin M (IgM)
Age Range
< 15 days 10 - 40 mg/dL
  15 days - < 13 weeks   10 - 70 mg/dL
13 weeks - < 1 year 20 - 90 mg/dL
1 year - < 19 years

  50 - 190 mg/dL Female  

40 - 150 mg/dL Male

> 19 years

33 - 293 mg/dL Female

22 - 240 mg/dL Male